A team at the University of Bristol has used ultrasound to create three-dimensional shapes in mid-air that can be touched and seen. Michelle Starr Science editor Michelle Starr is CNET's science ...

Haptic feedback has become a common feature of recent technology, but such systems usually rely on stimulation of parts of the user’s body via direct mechanical or acoustic vibration. A new technique ...

The notion of a phased array was initially articulated by Nobel Prize recipient K. F. Braun. Phased arrays have subsequently evolved into a formidable mechanism for wave manipulation. This assertion ...

A new sticker changes in shape inside the body, enabling standard ultrasound technology to detect leaks for earlier detection and intervention. John Rogers, Louis Simpson and Kimberly Querrey ...